<template>
  <view class="bigbox">
    <!-- 搜索组件 -->
    <view class="search-box">
       <my-search @click='gotoSearch'></my-search>
    </view>
   <view>
     <!-- 轮播图区域 -->
     <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
       <!-- 循环渲染轮播图的 item 项 -->
       <swiper-item v-for="(item, i) in swiperList" :key="i">
         <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id='+item.goods_id">
           <!-- 动态绑定图片的 src 属性 -->
           <image :src="item.image_src"></image>
        </navigator>
       </swiper-item>
     </swiper>
   </view>
   <!-- 分类导航区域 -->
   <view class="nav-list">
      <view class="nav-item" v-for="(item, i) in navList" :key="i" @click='navClickHandler(item)'>
        <image :src="item.image_src" class="nav-img"></image>
      </view>
   </view>

  <!-- 楼层区域-->
  <view class="floor-list">
    <view class="floor-item" v-for="(item,i) in floorList" :key="i">
      <!-- 楼层标题 -->
      <image :src="item.floor_title.image_src" class="floor_title"></image>
       <view class="floor-img-box">
         <!-- 左侧大图片的盒子 -->
         <navigator class="left-img-box" :url="item.product_list[0].url">
           <image :src="item.product_list[0].image_src" :style="{width:item.product_list[0].image_width+'rpx'}" mode="widthFix"></image>
         </navigator>
         <!-- 右侧四个小图片的盒子 -->
         <view class="right-img-box">
           <navigator class="right-img-item" v-for="(item2,i2) in item.product_list" :key="i2" v-if="i2!==0" :url="item2.url">
             <image :src="item2.image_src" mode="widthFix" :style="{width:item2.image_width+'rpx'}"></image>
           </navigator>
         </view>
       </view>
        </view>
    
    </view>
    
    
  </view>
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  export default {
    mixins:[badgeMix],
    data() {
      return {
        // 这是轮播图的数据列表
        swiperList:[],
        // 分类导航的数据列表
        navList:[],
        // 楼层的数据列表
        floorList:[]
      };
    },
    onLoad(){
      // 调用方法：获取轮播图数据
      this.getSwiperList(),
      this.getNavList(),
      this.getFloorList()
    },
    methods:{
      async getSwiperList(){
      const {data:res} =await uni.$http.get('http://api-hmugo-web.itheima.net/api/public/v1/home/swiperdata')
      if(res.meta.status!==200) return  uni.$showMsg() 
      this.swiperList=res.message
      uni.$showMsg('数据请求成功') 
      },
      async getNavList(){
        const {data:res}=await uni.$http.get('http://api-ugo-web.itheima.net/api/public/v1/home/catitems')
        if(res.meta.status!==200) return uni.$showMsg()
        this.navList=res.message
      },
      //nav-item项被点击时候的事件处理函数
      navClickHandler(item){
        // 判断点击的nav
        if(item.name==='分类'){
          uni.switchTab({
            url:'/pages/cate/cate'
          })
        }
      },
      // 定义获取楼层列表数据的方法
      async getFloorList(){
        const {data:res}=await uni.$http.get('http://api-ugo-web.itheima.net/api/public/v1/home/floordata')
       if(res.meta.status!==200) return uni.$showMsg()
       // 对数据进行处理
       res.message.forEach(floor=>{
         floor.product_list.forEach(prod=>{
           prod.url='/subpkg/goods_list/goods_list?'+prod.navigator_url.split('?')
         })
       })
       this.floorList=res.message
      },
      gotoSearch(){
        uni.navigateTo({
          url:'/subpkg/search/search'
        })
      }
    }
  }
</script>

<style lang="scss">
swiper {
 height: 330rpx;
 .swiper-item,
 image {
   width: 100%;
   height: 100%;
 }
}
.nav-list {
  display: flex;
  justify-content: space-around;
  margin: 15px 0;
  .nav-img {
    width: 128rpx;
    height: 140rpx;
  }
}
.floor_title{
  height: 60rpx;
  width: 100%;
  display: flex;
}
.floor-img-box{
  display: flex;
  padding-left: 10rpx;
  // background-color: pink;
  .right-img-box{
    display:flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }
}
.search-box{
  position: sticky;
  top: 0;
  z-index: 999;
}
</style>
